docs: def copy(self, *, frame=None, form=None):
          """Provide a new instance of the same point in space-time
  
          Keyword Args:
              frame (str or Frame): Frame to convert the new instance into
              form (str or Form): Form to convert the new instance into
          Return:
              Orbit:
  
          Override :py:meth:`numpy.ndarray.copy()` to include additional
          fields
          """
  
          new_compl = {}
          for k, v in self.complements.items():
              new_compl[k] = v.copy() if hasattr(v, 'copy') else v
  
          new_obj = self.__class__(
              self.date, self.base.copy(), self.form,
              self.frame, self.propagator.copy() if self.propagator is not None else None,
              **new_compl
          )
          if frame and frame != self.frame:
              new_obj.frame = frame
          if form and form != self.form:
              new_obj.form = form
          return new_obj